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When maintaining your RC vehicle, the integrity of its engine is paramount. High-quality gaskets and O-rings are essential for preventing leaks, ensuring optimal performance, and extending the lifespan of your engine. Selecting the correct replacements will save you time and frustration during maintenance and repairs.
Multiple Sizes: o-ring assortment kit contains 20 metric rubber o-rings, (IDxCS): 1x2, 2.5x1, 3x1, 4x1, 4.5x1, 5x2, 6x2, 7x2, 8x2, 9x2, 10x2, 12x3, 13x3, 14x2.5, 16x2, 17x2.5, 18x2, 20x2, 22x2, 25x2.4mm. Which can meet almost all of your needs
High quality material: O-ring bushings are made of commercial grade NBR material with a working temperature range of -40℉/-40℃ to 248℉/120℃. With excellent resistance to high and low temperatures, it is very suitable for thermal machinery...
Wide applications: O-ring classification is very suitable for faucets, high-pressure washers, motorcycles, boats, car engines, pumps, solenoid valves, meters, sensors, mechanical bearings, pressure pipes and other accessories for sealing DIY repairs
Easy to use and store: Various o-ring kits, 20 sizes of o-rings are placed in order in a sturdy plastic storage box, each size comes with a detailed label paper, very easy to use, o-rings are stored in order of size, easy to retrieve and store
Quality service: XBVV always provides excellent customer service so you can buy with confidence. If you have any questions about Metric O-Ring Kits, please let us know and we will be happy to assist you
Multiple sizes:O-ring assortment kit contains standard 32 metric rubber O-rings with O-rings from 4 to 50 mm O.D. and 1 to 3.5 mm thick.Also comes with a 4-piece precision pick and hook set, including 1 pc. Full Hook; 1 pc. 45 degree pick; 1 pc. 90 degree...
High quality material: O-ring bushings are made of commercial grade NBR material with a working temperature range of -40℉/-40℃ to 248℉/120℃. With excellent resistance to high and low temperatures, it is very suitable for thermal machinery...
Wide applications: O-ring classification is very suitable for faucets, motorcycles, boats, car engines, pumps, solenoid valves, meters, sensors, mechanical bearings and other accessories for sealing DIY repairs, Hook and Pick Set for clamps, wires...
Easy to use and store: Various o-ring kits, 32 sizes of o-rings are placed in order in a sturdy plastic storage box, each size comes with a detailed label paper, very easy to use, o-rings are stored in order of size, easy to retrieve and store
Quality service: XBVV always provides excellent customer service so you can buy with confidence. If you have any questions about Metric O Ring Assortment Kits, please let us know and we will be happy to assist you
Package Including: O ring kit contains 1050 PCS in 21 sizes, a wide range of sizes and quantities will meet your needs
Multiple Sizes: The o ring assortment kit contains 21 sizes, o-rings with inner diameters from 1 to 25mm and thicknesses of 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 24mm
Easy Storage: Comes in a handy plastic organizer case with sized compartments, each size comes with a label for easy picking and storage
High Quality Material: O ring kit bushings are made of commercial grade NBR material with a working temperature range of -40℉/-40℃ to 248℉/120℃, which is an excellent resistance to high and low temperatures
Wide Applications: O ring set classification is very suitable for faucets, high-pressure washers, motorcycles, boats, car engines, pumps, solenoid valves, meters, sensors, mechanical bearings, pressure pipes and other accessories for sealing DIY repairs
Application：20PCS RC Plane O ring brushless motor propeller protector o ring fixed propeller protection for rc airplane,helicopter,diy model plane parts
Buyer's Guide - Our package contains 1040 pcs replaceable o ring assortment kit of 21 sizes. For optimal performance, please verify the required size before purchase to ensure proper fitment.
Durable Material - Crafted from high-quality Nitrile Rubber with a working temperature range of -40℉/-40℃ to 248℉/120℃, resist scratching surfaces, and deliver long-lasting, leak-proof sealing performance.
Universal Sealing Solution - This O-ring set is ideal for a wide range of applications, including faucets, pressure washers, automotive engines, pumps, solenoid valves, sensors, power systems, control boxes, appliances, electronic devices, tools, and...
21 Metric Sizes (ID x CS, mm): 1x2, 2.5x1, 3x1, 4x1, 4.5x1, 5x2, 6x2, 7x2, 8x2, 9x2, 10x2, 12x3, 13x3, 14x2.5, 16x2, 17x2.5, 18x2, 18x4, 20x2, 22x2, 25x2.4. Covers nearly every sealing need you'll encounter.
Quality service - Have a question about your 1040 pcs o ring assortment kit? Our reliable customer service team is ready to assist you, ensuring you find the perfect seal for your needs.
The rubber O-rings can be used as a replacement part for the flight controller RC drone. These rubber damper round washers can effectively help to reduce the sensitivity of the flight controller and reduce the vibration of aerial aircraft.
In the package of 20pcs x O Rings; Height: 2mm/0.08 inch; Outer Diameter: 7mm/0.28 inch; Inner Diameter: M3 (3mm/0.12 inch)
Made of silicone for lasting performance, soft and flexible. These o-rings help reduce the vibrations felt by the flight controller and they are a must-have for all FPV racing.
These small O-rings that you can use with your gimbal/flight controller mount to remove any unwanted vibrations.
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best RC Engine Gaskets & O-Rings
Understanding RC Engine Gaskets & O-Rings
RC engine gaskets and O-rings are crucial sealing components that prevent fuel and oil leaks while maintaining proper compression. Gaskets typically seal larger surfaces between engine components, like the cylinder head or crankcase, while O-rings are used in smaller, more precise sealing applications, such as fuel lines or carburetor assemblies. Using the correct type and size is vital for engine health and preventing costly damage.
Material Considerations
Most RC engine gaskets and O-rings are made from materials designed to withstand heat, fuel, and oil. Common materials include:
Nitrile rubber: Offers good resistance to oils and fuels but can degrade with excessive heat.
Viton rubber: Provides excellent resistance to high temperatures and a wide range of fuels and chemicals, making it a popular choice for performance engines.
Silicone: Offers good temperature resistance but may not be as durable against certain fuel types.
Composite materials: Often used for head gaskets, offering a balance of sealing properties and durability under pressure.
Always check the manufacturer's recommendations for your specific engine model to ensure material compatibility.
Size and Fitment
Proper fitment is non-negotiable. Gaskets and O-rings must match the exact dimensions of the original parts they are replacing. Incorrect sizing can lead to immediate leaks, poor compression, or even engine damage. Refer to your RC vehicle's manual or the engine manufacturer's specifications for precise measurements and part numbers. Many kits are available that include a variety of common sizes, which can be useful for general maintenance, but always verify before purchasing.
Frequently Asked Questions
How often should RC engine gaskets and O-rings be replaced?
Replacement frequency depends on usage, engine type, and operating conditions. It's advisable to inspect them during routine maintenance or if you notice any signs of leaks. Consider replacing them if you perform a major engine rebuild or if they show signs of wear like hardening or cracking.
Can I reuse old gaskets and O-rings?
It is generally not recommended to reuse old gaskets and O-rings. Once compressed or exposed to fuel and heat, their sealing properties are compromised. Reusing them significantly increases the risk of leaks and performance issues.
What are the signs of a failing gasket or O-ring?
Common signs include visible fuel or oil leaks around engine components, a drop in engine performance or power, difficulty starting the engine, or an unusual smell of fuel. If you notice any of these symptoms, it's time to inspect your seals.
Are there universal gasket and O-ring kits available?
Yes, universal kits containing a variety of common sizes exist and can be handy for general repairs. However, for critical engine components like the cylinder head, it's always best to use gaskets specifically designed for your engine model to ensure a perfect seal.
What is the difference between a gasket and an O-ring?
Gaskets are typically flat seals used between two larger, mating surfaces to prevent leaks. O-rings are circular seals, usually made of rubber, designed to fit into grooves and seal smaller openings or moving parts.
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